摘要
Fierce dust storms have plagued northern China for centuries. Cold, dry winds from Siberia pick up dust from the Gobi Desert, lifting it as high as four miles into the air, reducing visibility to zero in some areas and turning afternoon to night. A long history of human abuse—deforestation, overgrazing, and min-
出处
《当代外语研究》
1995年第11期11-13,共3页
Contemporary Foreign Language Studies